An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

Sofia's legislative center is continuously reinventing itself.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.